Foot scrubber



FIG. 1 is a perspective view of a foot scrubber showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image of FIG. 3;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a foot scrubber, as shown and described. 